The document discusses language as a tool for communication and curriculum. It defines curriculum as the prescribed course of study including all experiences utilized by a school to achieve educational aims. Language is characterized as a tool that serves specific functions like communicating, questioning, and expressing emotions. It is a symbolic system used primarily for oral and written communication as well as body language. The document also covers the nature, importance, and skills of language including listening, speaking, reading, and writing. It discusses the need to acquire English for uses such as a common language, international link, education, employment, and more.